The Perth Mint is accredited on the London Bullion Market Association’s (LBMA) Good delivery List for silver, which is the international standard for silver refiners. This accreditation, coupled with the Mint’s ultimate ownership by the Australian Government, offer further guarantees of the quality and authenticity of the Perth Mint’s precious metals coin and bar products. Perth Mint 100 oz Silver Bars are poured, finely finished including rounded edges and contain the following identification marks etched into their surface: An circle at the top of the bar which displays the famous Perth swan. Each Perth Mint 100 oz Silver Bar also contains a serial number.  The exact weight of the Perth Mint 100 oz Silver Bar is clearly marked 100 ozs and below the weight mark is its purity stamp (999) and the words Fine Silver.